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SION Sale Disclosure
Ra Capital Management, L.p. · SEC Form 4 · Filed Sep 21, 2026
Sale
Calculated transaction value
$252.15K
Ra Capital Management, L.p. Director / Ten Percent Owner
SION
Sionna Therapeutics
SION
Transaction date
Sep 17, 2026
Public filing date
Sep 21, 2026
Filing lag
Filed 4 days later
SION daily price context
Close on/before transaction
$7.18
Sep 17, 2026
First close after public filing
$6.02
Sep 22, 2026
30-day return after filing
-35.71%
Through Oct 21, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 33,800 shares @ $7.46
- SEC ownership
- Indirect
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001231919-26-001201
Filing cohort
Transactions in this filing
Showing 2 of 2
Trades
2
Issuers
1
Estimated value
$21.84M
Buys / sales
0 / 2
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Sionna Therapeutics, Inc. SION | Sale | Sep 17, 2026 | $21.58M |
| Sionna Therapeutics, Inc. SION Current | Sale | Sep 17, 2026 | $252.15K |